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Help ZZR 250 exhaust questions

Discussion in 'Kawasaki 250cc Twins' started by Amara, Jul 2, 2019.

  1. Amara

    Amara Member Premium Member

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    I was wondering if the ninja 250 exhaust system would fit on a ZZR 250 ? Seeing as they both have the same engine if not a similar one
     
  2. Linkin

    Linkin The Apprentice Premium Member Dirty Wheel Club Contributing Member

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    Which ninja are you talking about - the ones up to 2007 or the 2008-onwards Ninja 250R?
     
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  3. Amara

    Amara Member Premium Member

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    Sorry. Up to 2007
     
  4. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    Should fit but I have never tried it.
     
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  5. Amara

    Amara Member Premium Member

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  6. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    I would be trying the pipes before any tuning mods. May even have to go leaner (smaller jets) to suit, but you wont know until the engine running and riding.
     
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  7. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    There is no such thing as a 'Stage 1 jet kit'. If by some miracle, most unlikely, that more air could flow through the carburettor throats then more fuel would be drawn through the emulsion tubes.
     
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  8. Amara

    Amara Member Premium Member

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  9. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    I stand corrected.
     
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  10. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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  11. flea

    flea Well-Known Member Premium Member Contributing Member

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    yes very much so ,on my piaggio mp3 250 changed the muffler to a after market one mainly due to weight (very heavy fker)and also looking for a performance upgrade , was suppose to be a direct swap with no retu
    ning / remaping etc , cost big $$$ , caused it to run badly , huge flat spot taking off , wasn't till got to top end that noticed any real performance and then not sure if in the imagination …. beware of exspensive snake oil … as said changing the jets could cause flooding in the motor , the zzr doesn't seem to like low revs unless accelerating so could make the prob worse , also no big deal if your changing the jets but can run into $$$ if your having to pay someone to change them then change them back
     
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  12. Andych

    Andych Well-Known Member Premium Member

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    Best solution is to have the bike Dyno Tuned... that way it isnt guesswork, the tuner is able to adjust and change jets, clip settings etc to get the best from your bike. The good ones will have a dyno where they can do part throttle runs as well as WOT and that will get you where you want to be....and you wont spend money on something that may not work.
    Now if you r were in Sydney I could point you in the right direction....
     
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  13. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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  14. Amara

    Amara Member Premium Member

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    There's a guy who dynos both cars and bikes about 35 minutes away from where I live. I think he said about $165 for 3 power runs
     
  15. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    A power run is just that, 1 run on the dyno, 3x time's, tuning and part's are extra $ and they usually charge around $150 per hour on top of that.
    I just had my car on the dyno last thursday for some carby adjustment's, took 2 hour's and did 10 power run's, cost me $175 inc part's all up, but he didn't charge me for the first hour
     
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  16. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Was probably closer to 1.5 hours ^
     

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